21220200302103 has 48 divisors (see below), whose sum is σ = 34630312983552. Its totient is φ = 12409811736000.

The previous prime is 21220200302033. The next prime is 21220200302111. The reversal of 21220200302103 is 30120300202212.

21220200302103 is a `hidden beast` number, since 2 + 1 + 220 + 200 + 30 + 210 + 3 = 666.

It is not a de Polignac number, because 21220200302103 - 2²⁴ = 21220183524887 is a prime.

It is a super-2 number, since 2×21220200302103² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21220200302113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31786128 + ... + 32446853.

It is an arithmetic number, because the mean of its divisors is an integer number (721464853824).

Almost surely, 2^{21220200302103} is an apocalyptic number.

21220200302103 is a deficient number, since it is larger than the sum of its proper divisors (13410112681449).

21220200302103 is a wasteful number, since it uses less digits than its factorization.

21220200302103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64233116 (or 64233113 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 21220200302103 its reverse (30120300202212), we get a palindrome (51340500504315).

The spelling of 21220200302103 in words is "twenty-one trillion, two hundred twenty billion, two hundred million, three hundred two thousand, one hundred three".